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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HADOOP-270) possible deadlock when shut down a datanode thread
Date Fri, 02 Jun 2006 20:14:30 GMT
     [ http://issues.apache.org/jira/browse/HADOOP-270?page=all ]
     
Doug Cutting resolved HADOOP-270:
---------------------------------

    Resolution: Fixed

I just committed this.  Thanks, Hairong!

> possible deadlock when shut down a datanode thread
> --------------------------------------------------
>
>          Key: HADOOP-270
>          URL: http://issues.apache.org/jira/browse/HADOOP-270
>      Project: Hadoop
>         Type: Bug

>   Components: dfs
>     Versions: 0.3
>     Reporter: Hairong Kuang
>     Assignee: Hairong Kuang
>      Fix For: 0.3
>  Attachments: datanode_deadlock.patch
>
> The DataNode class provides a method "shutdown" that can be used to notify a data node
thread to abort itself gracefully. In addition this method waits for its data receiving server
to terminate. This may cause possible deadlock if the method is called by the data receiving
server.

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